Finding the Third Proportional to 88,684.88 and 188,669.25

Step by Step Solution

1. Step 1: Write the proportion equation
   88,684.88 : 188,669.25 = 188,669.25 : x
2. Step 2: Convert to fraction form
   88,684.88/188,669.25 = 188,669.25/x
3. Step 3: Cross multiply
   88,684.88x = 188,669.25 × 188,669.25
4. Step 4: Simplify right side
   88,684.88x = 35,596,085,895.56
5. Step 5: Solve for x
   x = 35,596,085,895.56/88,684.88
6. Step 6: Final answer
   x = 401,377.19